-- TrackGauge/data -- -- Gauge definition (single entry; by input alias) -- { -- ["full-id"] = "1435-met", -- id of the entry. Not used as of 2016. -- ["id"] = "1435", -- id of the size (in mm, not unique e.g. when imp and met definitions) -- ["def1"] = "met", -- definition is in metric or imperial units -- ["aliases"] = {[[1435mm]], [[...]]}, -- possible input, normalised -- ["pagename"] = "Standard gauge", -- target article with source (=size link) -- ["name"] = "standard gauge", -- alternate commonly accepted name -- ["link"] = "[[standard gauge]]", -- as name, linked -- ["contentcat"] = "Standard gauge railways", -- where content is listed (for the readers) -- ["unique"] = "yes", -- track used in single network? Not used as of 2016. -- ["history"] = {"1972", "1994"}, -- date of origin, date of end. Not used 2016. -- ["ft"] = "4", -- imperial size to show -- ["in"] = "8", -- ["num"] = "1", -- inches fraction numerator -- ["den"] = "2", -- inches fraction denominator -- ["mm"] = "1435" -- metric size to show -- }, -- return {  {  ["full-id"] = "1435-met",  ["id"] = "1435",  ["def1"] = "met",  ["aliases"] = {[[1435mm]], [[sg]], [[standard]], [[metsg]], [[sgmet]]},  ["pagename"] = "สแตนดาร์ดเกจ",  ["name"] = "สแตนดาร์ดเกจ",  ["link"] = "[[สแตนดาร์ดเกจ]]",  ["contentcat"] = "Standard gauge railways",  ["ft"] = "4",  ["in"] = "8",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "1435"  },  {  ["full-id"] = "1435-imp",  ["id"] = "1435",  ["def1"] = "imp",  ["aliases"] = {[[4ft8.5in]], [[56.5in]], [[4ft81/2in]], [[561/2in]], [[ussg]], [[sgus]], [[usstandard]], [[uksg]], [[sguk]], [[impsg]], [[sgimp]]},  ["pagename"] = "สแตนดาร์ดเกจ",  ["name"] = "สแตนดาร์ดเกจ",  ["link"] = "[[สแตนดาร์ดเกจ]]",  ["contentcat"] = "Standard gauge railways",  ["ft"] = "4",  ["in"] = "8",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "1435"  },  {  ["full-id"] = "3-met",  ["id"] = "3",  ["def1"] = "met",  ["aliases"] = {[[3mm]]},  ["pagename"] = "T gauge",  ["contentcat"] = "",  ["in"] = "0.118",  ["mm"] = "3"  },  {  ["full-id"] = "4-met",  ["id"] = "4",  ["def1"] = "met",  ["aliases"] = {[[4mm]]},  ["pagename"] = "Rail transport modelling scales#Scales",  ["contentcat"] = "",  ["in"] = "0.157",  ["mm"] = "4"  },  {  ["full-id"] = "4,5-met",  ["id"] = "4.5",  ["def1"] = "met",  ["aliases"] = {[[4.5mm]]},  ["contentcat"] = "",  ["in"] = "0.177",  ["mm"] = "4.5"  },  {  ["full-id"] = "4,5-imp",  ["id"] = "4.5",  ["def1"] = "imp",  ["aliases"] = {[[0.177in]]},  ["contentcat"] = "",  ["in"] = "0.177",  ["mm"] = "4.5"  },  {  ["full-id"] = "4,8-met",  ["id"] = "4.8",  ["def1"] = "met",  ["aliases"] = {[[4.8mm]]},  ["pagename"] = "ZZ scale",  ["contentcat"] = "",  ["in"] = "0.189",  ["mm"] = "4.8"  },  {  ["full-id"] = "6,35-imp",  ["id"] = "6.35",  ["def1"] = "imp",  ["aliases"] = {[[0.25in]], [[1/4in]]},  ["contentcat"] = "",  ["in"] = "0.25",  ["mm"] = "6.35"  },  {  ["full-id"] = "6,5-met",  ["id"] = "6.5",  ["def1"] = "met",  ["aliases"] = {[[6.5mm]]},  ["contentcat"] = "",  ["in"] = "0.256",  ["mm"] = "6.5"  },  {  ["full-id"] = "6,5-imp",  ["id"] = "6.5",  ["def1"] = "imp",  ["aliases"] = {[[0.256in]]},  ["contentcat"] = "",  ["in"] = "0.256",  ["mm"] = "6.5"  },  {  ["full-id"] = "7-met",  ["id"] = "7",  ["def1"] = "met",  ["aliases"] = {[[7mm]]},  ["contentcat"] = "",  ["in"] = "0.276",  ["mm"] = "7"  },  {  ["full-id"] = "7-imp",  ["id"] = "7",  ["def1"] = "imp",  ["aliases"] = {[[0.276in]]},  ["contentcat"] = "",  ["in"] = "0.276",  ["mm"] = "7"  },  {  ["full-id"] = "8-met",  ["id"] = "8",  ["def1"] = "met",  ["aliases"] = {[[8mm]]},  ["contentcat"] = "",  ["in"] = "0.315",  ["mm"] = "8"  },  {  ["full-id"] = "8,97-imp",  ["id"] = "8.97",  ["def1"] = "imp",  ["aliases"] = {[[0.353in]]},  ["pagename"] = "N scale",  ["contentcat"] = "",  ["in"] = "0.353",  ["mm"] = "8.97"  },  {  ["full-id"] = "9-met",  ["id"] = "9",  ["def1"] = "met",  ["aliases"] = {[[9mm]]},  ["pagename"] = "HOn30 gauge", -- also N scale, but no source there  ["contentcat"] = "",  ["in"] = "0.354",  ["mm"] = "9"  },  {  ["full-id"] = "9,42-met",  ["id"] = "9.42",  ["def1"] = "met",  ["aliases"] = {[[9.42mm]]},  ["contentcat"] = "",  ["in"] = "0.371",  ["mm"] = "9.42"  },  {  ["full-id"] = "10,5-met",  ["id"] = "10.5",  ["def1"] = "met",  ["aliases"] = {[[10.5mm]]},  ["contentcat"] = "",  ["in"] = "0.413",  ["mm"] = "10.5"  },  {  ["full-id"] = "10,5-imp",  ["id"] = "10.5",  ["def1"] = "imp",  ["aliases"] = {[[0.413in]]},  ["contentcat"] = "",  ["in"] = "0.413",  ["mm"] = "10.5"  },  {  ["full-id"] = "11,94-imp",  ["id"] = "11.94",  ["def1"] = "imp",  ["aliases"] = {[[0.47in]]},  ["contentcat"] = "",  ["in"] = "0.470",  ["mm"] = "11.94"  },  {  ["full-id"] = "12-met",  ["id"] = "12",  ["def1"] = "met",  ["aliases"] = {[[12mm]]},  ["pagename"] = "TT scale",  ["contentcat"] = "",  ["in"] = "0.472",  ["mm"] = "12"  },  {  ["full-id"] = "12-imp",  ["id"] = "12",  ["def1"] = "imp",  ["aliases"] = {[[0.472in]], [[0.473in]]},  ["pagename"] = "TT scale",  ["contentcat"] = "",  ["in"] = "0.472",  ["mm"] = "12"  },  {  ["full-id"] = "12,7-met",  ["id"] = "12.7",  ["def1"] = "met",  ["aliases"] = {[[12.7mm]]},  ["pagename"] = "On2 gauge",  ["contentcat"] = "",  ["in"] = "0.5",  ["mm"] = "12.7"  },  {  ["full-id"] = "13-met",  ["id"] = "13",  ["def1"] = "met",  ["aliases"] = {[[13mm]]},  ["contentcat"] = "",  ["in"] = "0.512",  ["mm"] = "13"  },  {  ["full-id"] = "13,5-met",  ["id"] = "13.5",  ["def1"] = "met",  ["aliases"] = {[[13.5mm]]},  ["contentcat"] = "",  ["in"] = "0.531",  ["mm"] = "13.5"  },  {  ["full-id"] = "14-met",  ["id"] = "14",  ["def1"] = "met",  ["aliases"] = {[[14mm]]},  ["contentcat"] = "",  ["in"] = "0.551",  ["mm"] = "14"  },  {  ["full-id"] = "14,125-met",  ["id"] = "14.125",  ["def1"] = "met",  ["aliases"] = {[[14.125mm]]},  ["contentcat"] = "",  ["in"] = "0.556",  ["mm"] = "14.125"  },  {  ["full-id"] = "14,2-met",  ["id"] = "14.2",  ["def1"] = "met",  ["aliases"] = {[[14.2mm]]},  ["contentcat"] = "",  ["in"] = "0.559",  ["mm"] = "14.2"  },  {  ["full-id"] = "14,28-met",  ["id"] = "14.28",  ["def1"] = "met",  ["aliases"] = {[[14.28mm]]},  ["contentcat"] = "",  ["in"] = "0.562",  ["mm"] = "14.28"  },  {  ["full-id"] = "14,3-met",  ["id"] = "14.3",  ["def1"] = "met",  ["aliases"] = {[[14.3mm]]},  ["contentcat"] = "",  ["in"] = "0.563",  ["mm"] = "14.3"  },  {  ["full-id"] = "14,3-imp",  ["id"] = "14.3",  ["def1"] = "imp",  ["aliases"] = {[[0.563in]]},  ["contentcat"] = "",  ["in"] = "0.563",  ["mm"] = "14.3"  },  {  ["full-id"] = "15,75-met",  ["id"] = "15.75",  ["def1"] = "met",  ["aliases"] = {[[15.75mm]]},  ["contentcat"] = "",  ["in"] = "0.620",  ["mm"] = "15.75"  },  {  ["full-id"] = "16,2-met",  ["id"] = "16.2",  ["def1"] = "met",  ["aliases"] = {[[16.2mm]]},  ["contentcat"] = "",  ["in"] = "0.638",  ["mm"] = "16.2"  },  {  ["full-id"] = "16,5-met",  ["id"] = "16.5",  ["def1"] = "met",  ["aliases"] = {[[16.5mm]]},  ["contentcat"] = "",  ["in"] = "0.65",  ["mm"] = "16.5"  },  {  ["full-id"] = "16,5-imp",  ["id"] = "16.5",  ["def1"] = "imp",  ["aliases"] = {[[0.65in]]},  ["contentcat"] = "",  ["in"] = "0.65",  ["mm"] = "16.5"  },  {  ["full-id"] = "18-met",  ["id"] = "18",  ["def1"] = "met",  ["aliases"] = {[[18mm]]},  ["contentcat"] = "",  ["in"] = "0.709",  ["mm"] = "18"  },  {  ["full-id"] = "18,2-met",  ["id"] = "18.2",  ["def1"] = "met",  ["aliases"] = {[[18.2mm]]},  ["contentcat"] = "",  ["in"] = "0.717",  ["mm"] = "18.2"  },  {  ["full-id"] = "18,83-met",  ["id"] = "18.83",  ["def1"] = "met",  ["aliases"] = {[[18.83mm]]},  ["contentcat"] = "",  ["in"] = "0.741",  ["mm"] = "18.83"  },  {  ["full-id"] = "19-met",  ["id"] = "19",  ["def1"] = "met",  ["aliases"] = {[[19mm]]},  ["contentcat"] = "",  ["in"] = "0.748",  ["mm"] = "19"  },  {  ["full-id"] = "19,05-imp",  ["id"] = "19.05",  ["def1"] = "imp",  ["aliases"] = {[[0.75in]], [[3/4in]]},  ["contentcat"] = "",  ["in"] = "0.75",  ["mm"] = "19.05"  },  {  ["full-id"] = "19,4-met",  ["id"] = "19.4",  ["def1"] = "met",  ["aliases"] = {[[19.4mm]]},  ["contentcat"] = "",  ["in"] = "0.764",  ["mm"] = "19.4"  },  {  ["full-id"] = "20,5-met",  ["id"] = "20.5",  ["def1"] = "met",  ["aliases"] = {[[20.5mm]]},  ["contentcat"] = "",  ["in"] = "0.807",  ["mm"] = "20.5"  },  {  ["full-id"] = "21-met",  ["id"] = "21",  ["def1"] = "met",  ["aliases"] = {[[21mm]]},  ["contentcat"] = "",  ["in"] = "0.827",  ["mm"] = "21"  },  {  ["full-id"] = "21,97-imp",  ["id"] = "21.97",  ["def1"] = "imp",  ["aliases"] = {[[0.865in]]},  ["contentcat"] = "",  ["in"] = "0.865",  ["mm"] = "21.97"  },  {  ["full-id"] = "22-met",  ["id"] = "22",  ["def1"] = "met",  ["aliases"] = {[[22mm]]},  ["contentcat"] = "",  ["in"] = "0.866",  ["mm"] = "22"  },  {  ["full-id"] = "22,2-met",  ["id"] = "22.2",  ["def1"] = "met",  ["aliases"] = {[[22.2mm]]},  ["contentcat"] = "",  ["in"] = "0.874",  ["mm"] = "22.2"  },  {  ["full-id"] = "22,42-imp",  ["id"] = "22.42",  ["def1"] = "imp",  ["aliases"] = {[[0.883in]]},  ["pagename"] = "S scale",  ["contentcat"] = "",  ["in"] = "0.883",  ["mm"] = "22.43"  },  {  ["full-id"] = "22,5-met",  ["id"] = "22.5",  ["def1"] = "met",  ["aliases"] = {[[22.5mm]]},  ["contentcat"] = "",  ["in"] = "0.886",  ["mm"] = "22.5"  },  {  ["full-id"] = "23-met",  ["id"] = "23",  ["def1"] = "met",  ["aliases"] = {[[23mm]]},  ["contentcat"] = "",  ["in"] = "0.906",  ["mm"] = "23"  },  {  ["full-id"] = "24-met",  ["id"] = "24",  ["def1"] = "met",  ["aliases"] = {[[24mm]]},  ["contentcat"] = "",  ["in"] = "0.945",  ["mm"] = "24"  },  {  ["full-id"] = "28,08-met",  ["id"] = "28.08",  ["def1"] = "met",  ["aliases"] = {[[28.08mm]]},  ["contentcat"] = "",  ["in"] = "1.106",  ["mm"] = "28.08"  },  {  ["full-id"] = "28,6-imp",  ["id"] = "28.6",  ["def1"] = "imp",  ["aliases"] = {[[1.125in]], [[11/8in]]},  ["contentcat"] = "",  ["in"] = "1.125",  ["mm"] = "28.6"  },  {  ["full-id"] = "29,9-imp",  ["id"] = "29.9",  ["def1"] = "imp",  ["aliases"] = {[[1.177in]]},  ["contentcat"] = "",  ["in"] = "1.177",  ["mm"] = "29.9"  },  {  ["full-id"] = "30-met",  ["id"] = "30",  ["def1"] = "met",  ["aliases"] = {[[30mm]]},  ["contentcat"] = "",  ["in"] = "1.181",  ["mm"] = "30"  },  {  ["full-id"] = "31,75-imp",  ["id"] = "31.75",  ["def1"] = "imp",  ["aliases"] = {[[1.25in]], [[11/4in]]},  ["contentcat"] = "",  ["in"] = "1.25",  ["mm"] = "31.75"  },  {  ["full-id"] = "32-met",  ["id"] = "32",  ["def1"] = "met",  ["aliases"] = {[[32mm]]},  ["contentcat"] = "",  ["in"] = "1.26",  ["mm"] = "32"  },  {  ["full-id"] = "32,96-met",  ["id"] = "32.96",  ["def1"] = "met",  ["aliases"] = {[[32.96mm]]},  ["contentcat"] = "",  ["in"] = "1.298",  ["mm"] = "32.96"  },  {  ["full-id"] = "33-met",  ["id"] = "33",  ["def1"] = "met",  ["aliases"] = {[[33mm]]},  ["contentcat"] = "",  ["in"] = "1.3",  ["mm"] = "33"  },  {  ["full-id"] = "35-met",  ["id"] = "35",  ["def1"] = "met",  ["aliases"] = {[[35mm]]},  ["contentcat"] = "",  ["in"] = "1.378",  ["mm"] = "35"  },  {  ["full-id"] = "36,75-met",  ["id"] = "36.75",  ["def1"] = "met",  ["aliases"] = {[[36.75mm]]},  ["contentcat"] = "",  ["in"] = "1.447",  ["mm"] = "36.75"  },  {  ["full-id"] = "44,45-imp",  ["id"] = "44.45",  ["def1"] = "imp",  ["aliases"] = {[[1.75in]], [[13/4in]]},  ["contentcat"] = "",  ["in"] = "1.75",  ["mm"] = "44.45"  },  {  ["full-id"] = "44,85-imp",  ["id"] = "44.85",  ["def1"] = "imp",  ["aliases"] = {[[1.766in]]},  ["contentcat"] = "",  ["in"] = "1.766",  ["mm"] = "44.85"  },  {  ["full-id"] = "45-met",  ["id"] = "45",  ["def1"] = "met",  ["aliases"] = {[[45mm]]},  ["contentcat"] = "",  ["in"] = "1.772",  ["mm"] = "45"  },  {  ["full-id"] = "45-imp",  ["id"] = "45",  ["def1"] = "imp",  ["aliases"] = {[[1.772in]]},  ["contentcat"] = "",  ["in"] = "1.772",  ["mm"] = "45"  },  {  ["full-id"] = "49,2-met",  ["id"] = "49.2",  ["def1"] = "met",  ["aliases"] = {[[49.2mm]]},  ["contentcat"] = "",  ["in"] = "1.937",  ["mm"] = "49.20"  },  {  ["full-id"] = "50,8-imp",  ["id"] = "50.8",  ["def1"] = "imp",  ["aliases"] = {[[2in]]},  ["contentcat"] = "",  ["in"] = "2",  ["mm"] = "50.8"  },  {  ["full-id"] = "53,975-imp",  ["id"] = "53.975",  ["def1"] = "imp",  ["aliases"] = {[[2.125in]], [[21/8in]]},  ["contentcat"] = "",  ["in"] = "2",  ["num"] = "1",  ["den"] = "8",  ["mm"] = "53.975"  },  {  ["full-id"] = "64-met",  ["id"] = "64",  ["def1"] = "met",  ["aliases"] = {[[64mm]]},  ["pagename"] = "64 mm gauge railway",  ["contentcat"] = "",  ["in"] = "2",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "64"  },  {  ["full-id"] = "64-imp",  ["id"] = "64",  ["def1"] = "imp",  ["aliases"] = {[[2.5in]], [[21/2in]]},  ["pagename"] = "64 mm gauge railway",  ["contentcat"] = "",  ["in"] = "2",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "64"  },  {  ["full-id"] = "70,69-met",  ["id"] = "70.69",  ["def1"] = "met",  ["aliases"] = {[[70.64mm]], [[70.69mm]]},  ["contentcat"] = "",  ["in"] = "2.781",  ["mm"] = "70.69"  },  {  ["full-id"] = "70,69-imp",  ["id"] = "70.69",  ["def1"] = "imp",  ["aliases"] = {[[2.781in]]},  ["contentcat"] = "",  ["in"] = "2.781",  ["mm"] = "70.69"  },  {  ["full-id"] = "89-met",  ["id"] = "89",  ["def1"] = "met",  ["aliases"] = {[[89mm]]},  ["pagename"] = "List of rail transport modelling scale standards#NEM",  ["name"] = "3 gauge",  ["link"] = "[[3 gauge]]",  ["contentcat"] = "",  ["in"] = "3",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "89"  },  {  ["full-id"] = "89-imp",  ["id"] = "89",  ["def1"] = "imp",  ["aliases"] = {[[3.5in]], [[31/2in]]},  ["contentcat"] = "",  ["in"] = "3",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "89"  },  {  ["full-id"] = "121-imp",  ["id"] = "121",  ["def1"] = "imp",  ["aliases"] = {[[4.75in]], [[43/4in]]},  ["contentcat"] = "",  ["in"] = "4",  ["num"] = "3",  ["den"] = "4",  ["mm"] = "121"  },  {  ["full-id"] = "127-imp",  ["id"] = "127",  ["def1"] = "imp",  ["aliases"] = {[[5in]]},  ["contentcat"] = "",  ["in"] = "5",  ["mm"] = "127"  },  {  ["full-id"] = "159-imp",  ["id"] = "159",  ["def1"] = "imp",  ["aliases"] = {[[6.25in]], [[61/4in]]},  ["pagename"] = "Ridable miniature railway", -- Nelson, New Zealand --  ["in"] = "6",  ["num"] = "1",  ["den"] = "4",  ["mm"] = "159"  },  {  ["full-id"] = "184-imp",  ["id"] = "184",  ["def1"] = "imp",  ["aliases"] = {[[7.25in]], [[71/4in]]},  ["pagename"] = "7 1/4 in gauge railway",  ["contentcat"] = "7¼ in gauge railways",  ["in"] = "7",  ["num"] = "1",  ["den"] = "4",  ["mm"] = "184"  },  {  ["full-id"] = "190,5-imp",  ["id"] = "190.5",  ["def1"] = "imp",  ["aliases"] = {[[7.5in]], [[71/2in]]},  ["contentcat"] = "7½ in gauge railways",  ["in"] = "7",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "190.5"  },  {  ["full-id"] = "210-imp",  ["id"] = "210",  ["def1"] = "imp",  ["aliases"] = {[[8.25in]], [[81/4in]]},  ["contentcat"] = "",  ["in"] = "8",  ["num"] = "1",  ["den"] = "4",  ["mm"] = "210"  },  {  ["full-id"] = "229-imp",  ["id"] = "229",  ["def1"] = "imp",  ["aliases"] = {[[9in]]},  ["contentcat"] = "",  ["in"] = "9",  ["mm"] = "229"  },  {  ["full-id"] = "240-imp",  ["id"] = "240",  ["def1"] = "imp",  ["aliases"] = {[[9.4375in]], [[97/16in]]},  ["contentcat"] = "",  ["in"] = "9",  ["num"] = "7",  ["den"] = "16",  ["mm"] = "240"  },  {  ["full-id"] = "241-imp",  ["id"] = "241",  ["def1"] = "imp",  ["aliases"] = {[[9.5in]], [[91/2in]]},  ["contentcat"] = "",  ["in"] = "9",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "241"  },  {  ["full-id"] = "254-imp",  ["id"] = "254",  ["def1"] = "imp",  ["aliases"] = {[[10in]]},  ["contentcat"] = "",  ["in"] = "10",  ["mm"] = "254"  },  {  ["full-id"] = "260-imp",  ["id"] = "260",  ["def1"] = "imp",  ["aliases"] = {[[10.25in]], [[101/4in]]},  ["pagename"] = "Ten and a quarter inch gauge",  ["contentcat"] = "10¼ in gauge railways",  ["in"] = "10",  ["num"] = "1",  ["den"] = "4",  ["mm"] = "260"  },  {  ["full-id"] = "267-imp",  ["id"] = "267",  ["def1"] = "imp",  ["aliases"] = {[[10.5in]], [[101/2in]]},  ["contentcat"] = "",  ["in"] = "10",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "267"  },  {  ["full-id"] = "305-imp",  ["id"] = "305",  ["def1"] = "imp",  ["aliases"] = {[[12in]]},  ["contentcat"] = "",  ["in"] = "12",  ["mm"] = "305"  },  {  ["full-id"] = "311-imp",  ["id"] = "311",  ["def1"] = "imp",  ["aliases"] = {[[12.25in]], [[121/4in]]},  ["contentcat"] = "",  ["in"] = "12",  ["num"] = "1",  ["den"] = "4",  ["mm"] = "311"  },  {  ["full-id"] = "318-imp",  ["id"] = "318",  ["def1"] = "imp",  ["aliases"] = {[[12.5in]], [[121/2in]]},  ["pagename"] = "Miniature Railway Company",  ["link"] = "[[Miniature Railway Company#Trans-Mississippi_Exposition]]",  ["contentcat"] = "12½ in gauge railways",  ["in"] = "12",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "318"  },  {  ["full-id"] = "321-imp",  ["id"] = "321",  ["def1"] = "imp",  ["aliases"] = {[[12.625in]], [[125/8in]]},  ["pagename"] = "Midland Beach Railway Company",  ["contentcat"] = "12⅝ in gauge railways",  ["in"] = "12",  ["num"] = "5",  ["den"] = "8",  ["mm"] = "321"  -- https://archive.org/stream/streetrailwayjo211903newy/streetrailwayjo211903newy#page/538/mode/1up Miniature locomotives for street railway parks.] The Street railway journal, Vol. XXI (Vol. 21), No. 14, 4 April 1903, p. 538.  },  {  ["full-id"] = "340-met",  ["id"] = "340",  ["def1"] = "met",  ["aliases"] = {[[340mm]]},  ["pagename"] = "DierenPark Amersfoort",  ["contentcat"] = "",  ["in"] = "13",  ["num"] = "3",  ["den"] = "8",  ["mm"] = "340"  },  {  ["full-id"] = "350-met",  ["id"] = "350",  ["def1"] = "met",  ["aliases"] = {[[350mm]]},  ["pagename"] = "Narrow gauge railways in the Netherlands",  ["contentcat"] = "",  ["in"] = "13",  ["num"] = "25",  ["den"] = "32",  ["mm"] = "350"  },  {  ["full-id"] = "356-imp",  ["id"] = "356",  ["def1"] = "imp",  ["aliases"] = {[[14in]]},  ["contentcat"] = "",  ["in"] = "14",  ["mm"] = "356"  },  {  ["full-id"] = "362-imp", --NEW 2016  ["id"] = "362",  ["def1"] = "imp",  ["aliases"] = {[[14.25in]], [[141/4in]]},  ["pagename"] = "Cleethorpes Coast Light Railway",  ["contentcat"] = "",  ["unique"] = "yes",  ["history"] = {"1972", "1994"},  ["in"] = "14",  ["num"] = "1",  ["den"] = "4",  ["mm"] = "362"  },  {  ["full-id"] = "368-imp",  ["id"] = "368",  ["def1"] = "imp",  ["aliases"] = {[[14.5in]], [[141/2in]]},  ["pagename"] = "Long Beach and Asbury Park Railway",  ["contentcat"] = "14½ in gauge railways",  ["in"] = "14",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "368"  },  {  ["full-id"] = "381-met",  ["id"] = "381",  ["def1"] = "met",  ["aliases"] = {[[381mm]]},  ["pagename"] = "Fifteen-inch gauge railway",  ["contentcat"] = "15 in gauge railways",  ["in"] = "15",  ["mm"] = "381"  },  {  ["full-id"] = "381-imp",  ["id"] = "381",  ["def1"] = "imp",  ["aliases"] = {[[15in]], [[1ft3in]]},  ["pagename"] = "Fifteen-inch gauge railway",  ["contentcat"] = "15 in gauge railways",  ["in"] = "15",  ["mm"] = "381"  },  {  ["full-id"] = "387-imp",  ["id"] = "387",  ["def1"] = "imp",  ["aliases"] = {[[15.25in]], [[151/4in]]},  ["contentcat"] = "",  ["in"] = "15",  ["num"] = "1",  ["den"] = "4",  ["mm"] = "387"  },  {  ["full-id"] = "400-met",  ["id"] = "400",  ["def1"] = "met",  ["aliases"] = {[[400mm]]},  ["pagename"] = "400 mm gauge railway",  ["contentcat"] = "",  ["in"] = "15",  ["num"] = "3",  ["den"] = "4",  ["mm"] = "400"  },  {  ["full-id"] = "406-imp",  ["id"] = "406",  ["def1"] = "imp",  ["aliases"] = {[[16in]], [[1ft4in]]},  ["pagename"] = "List of ridable miniature railways#16 in",  ["contentcat"] = "",  ["in"] = "16",  ["mm"] = "406"  },  {  ["full-id"] = "410-met",  ["id"] = "410",  ["def1"] = "met",  ["aliases"] = {[[410mm]]},  ["pagename"] = "Narrow gauge railways in Germany#410 mm",  ["contentcat"] = "",  ["in"] = "16",  ["num"] = "5",  ["den"] = "32",  ["mm"] = "410"  },  {  ["full-id"] = "419-imp",  ["id"] = "419",  ["def1"] = "imp",  ["aliases"] = {[[1ft4.5in]], [[16.5in]], [[161/2in]]},  ["contentcat"] = "",  ["in"] = "16",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "419"  },  {  ["full-id"] = "432-imp",  ["id"] = "432",  ["def1"] = "imp",  ["aliases"] = {[[17in]], [[1ft5in]]},  ["contentcat"] = "",  ["in"] = "17",  ["mm"] = "432"  },  {  ["full-id"] = "450-met",  ["id"] = "450",  ["def1"] = "met",  ["aliases"] = {[[450mm]]},  ["contentcat"] = "",  ["in"] = "17",  ["num"] = "23",  ["den"] = "32",  ["mm"] = "450"  },  {  ["full-id"] = "457-imp",  ["id"] = "457",  ["def1"] = "imp",  ["aliases"] = {[[18in]], [[1ft6in]]},  ["pagename"] = "18 in gauge railway",  ["contentcat"] = "",  ["in"] = "18",  ["mm"] = "457"  },  {  ["full-id"] = "470-imp",  ["id"] = "470",  ["def1"] = "imp",  ["aliases"] = {[[18.5in]], [[1ft6.5in]], [[181/2in]]},  ["contentcat"] = "",  ["in"] = "18",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "470"  },  {  ["full-id"] = "480-met",  ["id"] = "480",  ["def1"] = "met",  ["aliases"] = {[[480mm]]},  ["pagename"] = "Permanent way (history)",  ["contentcat"] = "",  ["in"] = "18",  ["num"] = "7",  ["den"] = "8",  ["mm"] = "480"  },  {  ["full-id"] = "483-imp",  ["id"] = "483",  ["def1"] = "imp",  ["aliases"] = {[[19in]], [[1ft7in]]},  ["pagename"] = "19 in gauge railway",  ["contentcat"] = "",  ["in"] = "19",  ["mm"] = "483"  },  {  ["full-id"] = "495-imp",  ["id"] = "495",  ["def1"] = "imp",  ["aliases"] = {[[19.5in]], [[1ft7.5in]], [[191/2in]]},  ["contentcat"] = "",  ["in"] = "19",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "495"  },  {  ["full-id"] = "500-met",  ["id"] = "500",  ["def1"] = "met",  ["aliases"] = {[[500mm]]},  ["pagename"] = "500 mm gauge railway",  ["contentcat"] = "",  ["in"] = "19",  ["num"] = "3",  ["den"] = "4",  ["mm"] = "500"  },  {  ["full-id"] = "508-imp",  ["id"] = "508",  ["def1"] = "imp",  ["aliases"] = {[[20in]], [[1ft8in]]},  ["contentcat"] = "20 in gauge railways",  ["in"] = "20",  ["mm"] = "508"  },  {  ["full-id"] = "520-met",  ["id"] = "520",  ["def1"] = "met",  ["aliases"] = {[[520mm]]},  ["pagename"] = "List of track gauges#520 mm",  ["contentcat"] = "",  ["in"] = "20",  ["num"] = "15",  ["den"] = "32",  ["mm"] = "520"  },  {  ["full-id"] = "533-imp",  ["id"] = "533",  ["def1"] = "imp",  ["aliases"] = {[[21in]], [[1ft9in]]},  ["contentcat"] = "21 in gauge railways",  ["in"] = "21",  ["mm"] = "533"  },  {  ["full-id"] = "550-met",  ["id"] = "550",  ["def1"] = "met",  ["aliases"] = {[[550mm]]},  ["contentcat"] = "",  ["in"] = "21",  ["num"] = "21",  ["den"] = "32",  ["mm"] = "550"  },  {  ["full-id"] = "557-met",  ["id"] = "557",  ["def1"] = "met",  ["aliases"] = {[[557mm]]},  ["contentcat"] = "",  ["in"] = "21",  ["num"] = "15",  ["den"] = "16",  ["mm"] = "557"  },  {  ["full-id"] = "559-imp",  ["id"] = "559",  ["def1"] = "imp",  ["aliases"] = {[[22in]], [[1ft10in]]},  ["contentcat"] = "",  ["ft"] = "1",  ["in"] = "10",  ["mm"] = "559"  },  {  ["full-id"] = "560-met",  ["id"] = "560",  ["def1"] = "met",  ["aliases"] = {[[560mm]]},  ["pagename"] = "List of track gauges#560 mm",  ["contentcat"] = "",  ["in"] = "22",  ["num"] = "1",  ["den"] = "16",  ["mm"] = "560"  },  {  ["full-id"] = "575-met",  ["id"] = "575",  ["def1"] = "met",  ["aliases"] = {[[575mm]]},  ["pagename"] = "List of track gauges#575 mm",  ["contentcat"] = "",  ["in"] = "22",  ["num"] = "5",  ["den"] = "8",  ["mm"] = "575"  },  {  ["full-id"] = "578-imp",  ["id"] = "578",  ["def1"] = "imp",  ["aliases"] = {[[1ft10.75in]], [[22.75in]], [[1ft103/4in]], [[223/4in]]},  ["contentcat"] = "1 ft 10¾ in gauge railways",  ["ft"] = "1",  ["in"] = "10",  ["num"] = "3",  ["den"] = "4",  ["mm"] = "578"  },  {  ["full-id"] = "580-met",  ["id"] = "580",  ["def1"] = "met",  ["aliases"] = {[[580mm]]},  ["pagename"] = "List of track gauges#580 mm",  ["contentcat"] = "",  ["in"] = "22",  ["num"] = "27",  ["den"] = "32",  ["mm"] = "580"  },  {  ["full-id"] = "591-imp",  ["id"] = "591",  ["def1"] = "imp",  ["aliases"] = {[[23.25in]], [[1ft11.25in]], [[1ft111/4in]], [[231/4in]]},  ["pagename"] = "Festiniog and Blaenau Railway",  ["contentcat"] = "",  ["ft"] = "1",  ["in"] = "11",  ["num"] = "1",  ["den"] = "4",  ["mm"] = "591"  },  {  ["full-id"] = "597-imp",  ["id"] = "597",  ["def1"] = "imp",  ["aliases"] = {[[23.5in]], [[1ft11.5in]], [[1ft111/2in]], [[231/2in]]},  ["pagename"] = "2 ft and 600 mm gauge railways",  ["contentcat"] = "1 ft 11½ in gauge railways",  ["ft"] = "1",  ["in"] = "11",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "597"  },  {  ["full-id"] = "600-met",  ["id"] = "600",  ["def1"] = "met",  ["aliases"] = {[[600mm]]},  ["pagename"] = "2 ft and 600 mm gauge railways",  ["contentcat"] = "600 mm gauge railways",  ["ft"] = "1",  ["in"] = "11",  ["num"] = "5",  ["den"] = "8",  ["mm"] = "600"  },  {  ["full-id"] = "603-imp",  ["id"] = "603",  ["def1"] = "imp",  ["aliases"] = {[[23.75in]], [[1ft11.75in]], [[1ft113/4in]], [[233/4in]]},  ["pagename"] = "2 ft and 600 mm gauge railways",  ["contentcat"] = "1 ft 11¾ in gauge railways",  ["ft"] = "1",  ["in"] = "11",  ["num"] = "3",  ["den"] = "4",  ["mm"] = "603"  },  {  ["full-id"] = "610-met",  ["id"] = "610",  ["def1"] = "met",  ["aliases"] = {[[610mm]]},  ["pagename"] = "2 ft and 600 mm gauge railways",  ["contentcat"] = "2 ft gauge railways",  ["ft"] = "2",  ["mm"] = "610"  },  {  ["full-id"] = "610-imp",  ["id"] = "610",  ["def1"] = "imp",  ["aliases"] = {[[2ft]], [[24in]]},  ["pagename"] = "2 ft and 600 mm gauge railways",  ["contentcat"] = "2 ft gauge railways",  ["ft"] = "2",  ["mm"] = "610"  },  {  ["full-id"] = "613-imp",  ["id"] = "613",  ["def1"] = "imp",  ["aliases"] = {[[24.125in]], [[2ft0.125in]], [[2ft1/8in]], [[241/8in]]},  ["pagename"] = "British quarrying and mining narrow gauge railways#Sand and gravel extraction",  ["contentcat"] = "", -- none  ["ft"] = "2",  ["num"] = "1",  ["den"] = "8",  ["mm"] = "613"  },  {  ["full-id"] = "620-met",  ["id"] = "620",  ["def1"] = "met",  ["aliases"] = {[[620mm]]},  ["contentcat"] = "",  ["ft"] = "2",  ["num"] = "13",  ["den"] = "32",  ["mm"] = "620"  },  {  ["full-id"] = "622-imp",  ["id"] = "622",  ["def1"] = "imp",  ["aliases"] = {[[24.5in]], [[2ft0.5in]], [[2ft1/2in]], [[241/2in]]},  ["pagename"] = "Penrhyn Quarry Railway",  ["contentcat"] = "2 ft ½ in gauge railways",  ["ft"] = "2",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "622"  },  {  ["full-id"] = "630-met",  ["id"] = "630",  ["def1"] = "met",  ["aliases"] = {[[630mm]]},  ["pagename"] = "List of track gauges#630 mm",  ["contentcat"] = "",  ["in"] = "24",  ["num"] = "13",  ["den"] = "16",  ["mm"] = "630"  },  {  ["full-id"] = "655-met",  ["id"] = "655",  ["def1"] = "met",  ["aliases"] = {[[655mm]]},  ["pagename"] = "List of track gauges#655 mm",  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "1",  ["num"] = "25",  ["den"] = "32",  ["mm"] = "655"  },  {  ["full-id"] = "660-imp",  ["id"] = "660",  ["def1"] = "imp",  ["aliases"] = {[[26in]], [[2ft2in]]},  ["pagename"] = "Cwt y Bugail Quarry",  ["contentcat"] = "2 ft 2 in gauge railways",  ["ft"] = "2",  ["in"] = "2",  ["mm"] = "660"  },  {  ["full-id"] = "686-imp",  ["id"] = "686",  ["def1"] = "imp",  ["aliases"] = {[[27in]], [[2ft3in]]},  ["pagename"] = "List of 2 ft 3 in gauge railways",  ["contentcat"] = "2 ft 3 in gauge railways",  ["ft"] = "2",  ["in"] = "3",  ["mm"] = "686"  },  {  ["full-id"] = "693-met",  ["id"] = "693",  ["def1"] = "met",  ["aliases"] = {[[693mm]]},  ["pagename"] = "Narrow gauge railways in Sweden",  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "3",  ["num"] = "9",  ["den"] = "32",  ["mm"] = "693"  },  {  ["full-id"] = "699-imp",  ["id"] = "699",  ["def1"] = "imp",  ["aliases"] = {[[2ft3.5in]], [[27.5in]]},  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "3",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "699"  },  {  ["full-id"] = "700-met",  ["id"] = "700",  ["def1"] = "met",  ["aliases"] = {[[700mm]]},  ["pagename"] = "Narrow gauge railways in the Netherlands",  ["contentcat"] = "", -- none  ["ft"] = "2",  ["in"] = "3",  ["num"] = "9",  ["den"] = "16",  ["mm"] = "700"  },  {  ["full-id"] = "705-imp",  ["id"] = "705",  ["def1"] = "imp",  ["aliases"] = {[[27.75in]], [[2ft3.75in]], [[2ft33/4in]], [[273/4in]]},  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "3",  ["num"] = "3",  ["den"] = "4",  ["mm"] = "705"  },  {  ["full-id"] = "711-imp",  ["id"] = "711",  ["def1"] = "imp",  ["aliases"] = {[[28in]], [[2ft4in]]},  ["pagename"] = "Snailbeach District Railways",  ["contentcat"] = "2 ft 4 in gauge railways",  ["ft"] = "2",  ["in"] = "4",  ["mm"] = "711"  },  {  ["full-id"] = "716-met",  ["id"] = "716",  ["def1"] = "met",  ["aliases"] = {[[716mm]]},  ["pagename"] = "Narrow gauge railways in Poland",  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "4",  ["num"] = "3",  ["den"] = "16",  ["mm"] = "716"  },  {  ["full-id"] = "724-imp",  ["id"] = "724",  ["def1"] = "imp",  ["aliases"] = {[[28.5in]], [[2ft4.5in]], [[2ft41/2in]], [[281/2in]]},  ["pagename"] = "Glyn Valley Tramway",  ["contentcat"] = "2 ft 4½ in gauge railways",  ["ft"] = "2",  ["in"] = "4",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "724"  },  {  ["full-id"] = "737-imp",  ["id"] = "737",  ["def1"] = "imp",  ["aliases"] = {[[29in]], [[2ft5in]]},  ["pagename"] = "British industrial narrow gauge railways#General freight",  ["contentcat"] = "", -- none  ["ft"] = "2",  ["in"] = "5",  ["mm"] = "737"  },  {  ["full-id"] = "740-met",  ["id"] = "740",  ["def1"] = "met",  ["aliases"] = {[[740mm]]},  ["pagename"] = "List of track gauges#740 mm",  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "5",  ["num"] = "1",  ["den"] = "8",  ["mm"] = "740"  },  {  ["full-id"] = "750-met",  ["id"] = "750",  ["def1"] = "met",  ["aliases"] = {[[750mm]]},  ["pagename"] = "750 mm gauge railways",  ["contentcat"] = "750 mm gauge railways",  ["ft"] = "2",  ["in"] = "5",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "750"  },  {  ["full-id"] = "750-imp",  ["id"] = "750",  ["def1"] = "imp",  ["aliases"] = {[[29.5in]], [[2ft5.5in]], [[2ft51/2in]], [[291/2in]]},  ["pagename"] = "750 mm gauge railways",  ["contentcat"] = "750 mm gauge railways",  ["ft"] = "2",  ["in"] = "5",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "750"  },  {  ["full-id"] = "760-met",  ["id"] = "760",  ["def1"] = "met",  ["aliases"] = {[[760mm]], [[bosnian]]},  ["pagename"] = "Bosnian gauge",  ["name"] = "Bosnian gauge",  ["link"] = "[[Bosnian gauge]]",  ["contentcat"] = "760 mm gauge railways",  ["ft"] = "2",  ["in"] = "5",  ["num"] = "15",  ["den"] = "16",  ["mm"] = "760"  },  {  ["full-id"] = "762-met",  ["id"] = "762",  ["def1"] = "met",  ["aliases"] = {[[762mm]]},  ["pagename"] = "2 ft 6 in gauge railways",  ["contentcat"] = "2 ft 6 in gauge railways",  ["ft"] = "2",  ["in"] = "6",  ["mm"] = "762"  },  {  ["full-id"] = "762-imp",  ["id"] = "762",  ["def1"] = "imp",  ["aliases"] = {[[2ft6in]], [[30in]]},  ["pagename"] = "2 ft 6 in gauge railways",  ["contentcat"] = "2 ft 6 in gauge railways",  ["ft"] = "2",  ["in"] = "6",  ["mm"] = "762"  },  {  ["full-id"] = "765-met",  ["id"] = "765",  ["def1"] = "met",  ["aliases"] = {[[765mm]]},  ["contentcat"] = "", -- none  ["ft"] = "2",  ["in"] = "6",  ["num"] = "1",  ["den"] = "8",  ["mm"] = "765"  },  {  ["full-id"] = "775-imp",  ["id"] = "775",  ["def1"] = "imp",  ["aliases"] = {[[30.5in]], [[2ft6.5in]], [[2ft61/2in]], [[301/2in]]},  ["contentcat"] = "", -- none  ["ft"] = "2",  ["in"] = "6",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "775"  },  {  ["full-id"] = "780-met",  ["id"] = "780",  ["def1"] = "met",  ["aliases"] = {[[780mm]]},  ["pagename"] = "Hohenzollern Locomotive Works",  ["ft"] = "2",  ["in"] = "6",  ["num"] = "23",  ["den"] = "32",  ["mm"] = "780"  },  {  ["full-id"] = "785-met",  ["id"] = "785",  ["def1"] = "met",  ["aliases"] = {[[785mm]]},  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "6",  ["num"] = "29",  ["den"] = "32",  ["mm"] = "785"  },  {  ["full-id"] = "787-imp",  ["id"] = "787",  ["def1"] = "imp",  ["aliases"] = {[[2ft7in]], [[31in]]},  ["pagename"] = "Dyserth branch line",  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "7",  ["mm"] = "787"  },  {  ["full-id"] = "791-met",  ["id"] = "791",  ["def1"] = "met",  ["aliases"] = {[[791mm]]},  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "7",  ["num"] = "5",  ["den"] = "32",  ["mm"] = "791"  },  {  ["full-id"] = "800-met",  ["id"] = "800",  ["def1"] = "met",  ["aliases"] = {[[800mm]]},  ["pagename"] = "800 mm gauge railways",  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "7",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "800"  },  {  ["full-id"] = "802-met",  ["id"] = "802",  ["def1"] = "met",  ["aliases"] = {[[802mm]]},  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "7",  ["num"] = "9",  ["den"] = "16",  ["mm"] = "802"  },  {  ["full-id"] = "813-imp",  ["id"] = "813",  ["def1"] = "imp",  ["aliases"] = {[[32in]], [[2ft8in]]},  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "8",  ["mm"] = "813"  },  {  ["full-id"] = "820-met",  ["id"] = "820",  ["def1"] = "met",  ["aliases"] = {[[820mm]]},  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "8",  ["num"] = "9",  ["den"] = "32",  ["mm"] = "820"  },  {  ["full-id"] = "825-imp",  ["id"] = "825",  ["def1"] = "imp",  ["aliases"] = {[[2ft8.5in]], [[32.5in]], [[2ft81/2in]], [[321/2in]]},  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "8",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "825"  },  {  ["full-id"] = "838-imp",  ["id"] = "838",  ["def1"] = "imp",  ["aliases"] = { [[2ft9in]], [[33in]]},  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "9",  ["mm"] = "838"  },  {  ["full-id"] = "840-met",  ["id"] = "840",  ["def1"] = "met",  ["aliases"] = {[[840mm]]},  ["pagename"] = "Hohenzollern Locomotive Works",  ["ft"] = "2",  ["in"] = "9",  ["num"] = "1",  ["den"] = "16",  ["mm"] = "840"  },  {  ["full-id"] = "850-met",  ["id"] = "850",  ["def1"] = "met",  ["aliases"] = {[[850mm]]},  ["pagename"] = "Menaggio–Porlezza railway", -- probably unique  ["contentcat"] = "850 mm gauge railways",  ["ft"] = "2",  ["in"] = "9",  ["num"] = "15",  ["den"] = "32",  ["mm"] = "850"  },  {  ["full-id"] = "860-met",  ["id"] = "860",  ["def1"] = "met",  ["aliases"] = {[[860mm]]},  ["DB Class V 51 and V 52"] = "", -- Kreidebahn Itzehoe, prob. unique  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "9",  ["num"] = "7",  ["den"] = "8",  ["mm"] = "860"  },  {  ["full-id"] = "864-imp",  ["id"] = "864",  ["def1"] = "imp",  ["aliases"] = {[[34in]], [[2ft10in]]},  ["pagename"] = "Porthgain Railway#2 ft 10 in",  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "10",  ["mm"] = "864"  },  {  ["full-id"] = "876-imp",  ["id"] = "876",  ["def1"] = "imp",  ["aliases"] = {[[2ft10.5in]], [[34.5in]], [[2ft101/2in]], [[341/2in]]},  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "10",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "876"  },  {  ["full-id"] = "880-met",  ["id"] = "880",  ["def1"] = "met",  ["aliases"] = {[[880mm]]},  ["pagename"] = "List of track gauges#880 mm",  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "10",  ["num"] = "21",  ["den"] = "32",  ["mm"] = "880"  },  {  ["full-id"] = "889-imp",  ["id"] = "889",  ["def1"] = "imp",  ["aliases"] = {[[35in]], [[2ft11in]]},  ["pagename"] = "List of track gauges#889 mm",  ["contentcat"] = "",  ["ft"] = "2",  ["in"] = "11",  ["mm"] = "889"  },  {  ["full-id"] = "891-met",  ["id"] = "891",  ["def1"] = "met",  ["aliases"] = {[[891mm]], [[swedish]], [[swedishthreefoot]]},  ["pagename"] = "Swedish three foot gauge railways",  ["name"] = "Swedish three foot",  ["link"] = "[[Swedish three foot gauge railways|Swedish three foot]]",  ["contentcat"] = "891 mm gauge railways",  ["ft"] = "2",  ["in"] = "11",  ["num"] = "3",  ["den"] = "32",  ["mm"] = "891"  },  {  ["full-id"] = "900-met",  ["id"] = "900",  ["def1"] = "met",  ["aliases"] = {[[900mm]]},  ["pagename"] = "900 mm gauge railways",  ["contentcat"] = "900 mm gauge railways",  ["ft"] = "2",  ["in"] = "11",  ["num"] = "7",  ["den"] = "16",  ["mm"] = "900"  },  {  ["full-id"] = "914-met",  ["id"] = "914",  ["def1"] = "met",  ["aliases"] = {[[914mm]]},  ["pagename"] = "3 ft gauge railways",  ["contentcat"] = "3 ft gauge railways",  ["ft"] = "3",  ["mm"] = "914"  },  {  ["full-id"] = "914-imp",  ["id"] = "914",  ["def1"] = "imp",  ["aliases"] = {[[3ft]], [[36in]]},  ["pagename"] = "3 ft gauge railways",  ["contentcat"] = "3 ft gauge railways",  ["ft"] = "3",  ["mm"] = "914"  },  {  ["full-id"] = "914-met-915",  ["id"] = "914",  ["def1"] = "met",  ["aliases"] = {[[915mm]]},  ["pagename"] = "3 ft gauge railways",  ["contentcat"] = "3 ft gauge railways",  ["ft"] = "3",  ["mm"] = "915"  },  {  ["full-id"] = "925-met",  ["id"] = "925",  ["def1"] = "met",  ["aliases"] = {[[925mm]]},  ["pagename"] = "Trams in Chemnitz", -- probably unique  ["contentcat"] = "925 mm gauge railways",  ["ft"] = "3",  ["num"] = "13",  ["den"] = "32",  ["mm"] = "925"  },  {  ["full-id"] = "927-imp",  ["id"] = "927",  ["def1"] = "imp",  ["aliases"] = {[[3ft0.5in]], [[36.5in]], [[3ft1/2in]], [[361/2in]]},  ["pagename"] = "British industrial narrow gauge railways#3 ft 1/2 in",  ["contentcat"] = "",  ["ft"] = "3",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "927"  },  {  ["full-id"] = "940-imp",  ["id"] = "940",  ["def1"] = "imp",  ["aliases"] = {[[37in]], [[3ft1in]]},  ["pagename"] = "British quarrying and mining narrow gauge railways",  ["contentcat"] = "",  ["ft"] = "3",  ["in"] = "1",  ["mm"] = "940"  },  {  ["full-id"] = "943-imp",  ["id"] = "943",  ["def1"] = "imp",  ["aliases"] = {[[37.125in]], [[3ft11/8in]], [[371/8in]]},  ["contentcat"] = "",  ["ft"] = "3",  ["in"] = "1",  ["num"] = "1",  ["den"] = "8",  ["mm"] = "943"  },  {  ["full-id"] = "946-met",  ["id"] = "946",  ["def1"] = "met",  ["aliases"] = {[[946mm]]},  ["pagename"] = "Kaprun disaster",  ["contentcat"] = "",  ["ft"] = "3",  ["in"] = "1",  ["num"] = "1",  ["den"] = "4",  ["mm"] = "946"  },  {  ["full-id"] = "950-met",  ["id"] = "950",  ["def1"] = "met",  ["aliases"] = {[[950mm]]},  ["pagename"] = "Track gauge in Italy",  ["contentcat"] = "950 mm gauge railways",  ["ft"] = "3",  ["in"] = "1",  ["num"] = "3",  ["den"] = "8",  ["mm"] = "950"  },  {  ["full-id"] = "955-met",  ["id"] = "955",  ["def1"] = "met",  ["aliases"] = {[[955mm]]},  ["pagename"] = "Polybahn funicular",  ["contentcat"] = "",  ["ft"] = "3",  ["in"] = "1",  ["num"] = "19",  ["den"] = "32",  ["mm"] = "955"  },  {  ["full-id"] = "965-imp",  ["id"] = "965",  ["def1"] = "imp",  ["aliases"] = {[[38in]], [[3ft2in]]},  ["pagename"] = "Clifton Rocks Railway",  ["contentcat"] = "3 ft 2 in gauge railways",  ["ft"] = "3",  ["in"] = "2",  ["mm"] = "965"  },  {  ["full-id"] = "972-imp",  ["id"] = "972",  ["def1"] = "imp",  ["aliases"] = {[[38.25in]], [[3ft2.25in]], [[3ft21/4in]], [[381/4in]]},  ["pagename"] = "British quarrying and mining narrow gauge railways",  ["contentcat"] = "",  ["ft"] = "3",  ["in"] = "2",  ["num"] = "1",  ["den"] = "4",  ["mm"] = "972"  },  {  ["full-id"] = "985-met",  ["id"] = "985",  ["def1"] = "met",  ["aliases"] = {[[985mm]]},  ["pagename"] = "Zugerbergbahn funicular",  ["contentcat"] = "985 mm gauge railways",  ["ft"] = "3",  ["in"] = "2",  ["num"] = "25",  ["den"] = "32",  ["mm"] = "985"  },  {  ["full-id"] = "991-imp",  ["id"] = "991",  ["def1"] = "imp",  ["aliases"] = {[[3ft3in]], [[39in]]},  ["pagename"] = "Tranent to Cockenzie Waggonway",  ["contentcat"] = "",  ["ft"] = "3",  ["in"] = "3",  ["mm"] = "991"  },  {  ["full-id"] = "1000-met",  ["id"] = "1000",  ["def1"] = "met",  ["aliases"] = {[[1000mm]], [[metre]], [[meter]], [[1m]]},  ["pagename"] = "มีเตอร์เกจ",  ["name"] = "มีเตอร์เกจ",  ["link"] = "[[มีเตอร์เกจ]]",  ["en_US_name"] = "มีเตอร์เกจ",  ["en_US_link"] = "[[มีเตอร์เกจ]]",  ["contentcat"] = "Metre gauge railways",  ["ft"] = "3",  ["in"] = "3",  ["num"] = "3",  ["den"] = "8",  ["mm"] = "1000"  },  {  ["full-id"] = "1009-met",  ["id"] = "1009",  ["def1"] = "met",  ["aliases"] = {[[1009mm]]},  ["pagename"] = "มีเตอร์เกจ", -- or Trams in Sofia  ["name"] = "มีเตอร์เกจ",  ["link"] = "[[มีเตอร์เกจ]]",  ["en_US_name"] = "มีเตอร์เกจ",  ["en_US_link"] = "[[มีเตอร์เกจ]]",  ["contentcat"] = "",  ["ft"] = "3",  ["in"] = "3",  ["num"] = "23",  ["den"] = "32",  ["mm"] = "1009"  },  {  ["full-id"] = "1016-imp",  ["id"] = "1016",  ["def1"] = "imp",  ["aliases"] = {[[40in]], [[3ft4in]]},  ["pagename"] = "Kilmarnock and Troon Railway",  ["contentcat"] = "3 ft 4 in gauge railways",  ["ft"] = "3",  ["in"] = "4",  ["mm"] = "1016"  },  {  ["full-id"] = "1029-imp",  ["id"] = "1029",  ["def1"] = "imp",  ["aliases"] = {[[40.5in]], [[3ft4.5in]], [[3ft41/2in]], [[401/2in]]},  ["pagename"] = "Herne Bay Pier", -- not definitive  ["contentcat"] = "",  ["ft"] = "3",  ["in"] = "4",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "1029"  },  {  ["full-id"] = "1035-imp",  ["id"] = "1035",  ["def1"] = "imp",  ["aliases"] = {[[40.75in]], [[3ft4.75in]], [[3ft43/4in]], [[403/4in]]},  ["pagename"] = "Lake Lock Rail Road",  ["contentcat"] = "",  ["ft"] = "3",  ["in"] = "4",  ["num"] = "3",  ["den"] = "4",  ["mm"] = "1035"  },  {  ["full-id"] = "1040-met",  ["id"] = "1040",  ["def1"] = "met",  ["aliases"] = {[[1040mm]]},  ["pagename"] = "Festungsbahn (Salzburg)",  ["contentcat"] = "1040 mm gauge railways",  ["ft"] = "3",  ["in"] = "5",  ["mm"] = "1040"  },  {  ["full-id"] = "1050-met",  ["id"] = "1050",  ["def1"] = "met",  ["aliases"] = {[[1050mm]]},  ["pagename"] = "Hejaz Railway",  ["contentcat"] = "1050 mm gauge railways",  ["ft"] = "3",  ["in"] = "5",  ["num"] = "11",  ["den"] = "32",  ["mm"] = "1050"  },  {  ["full-id"] = "1055-met",  ["id"] = "1055",  ["def1"] = "met",  ["aliases"] = {[[1055mm]]},  ["pagename"] = "National Company for Rail Transport",  ["contentcat"] = "1055 mm gauge railways",  ["ft"] = "3",  ["in"] = "5",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "1055"  },  {  ["full-id"] = "1055-imp",  ["id"] = "1055",  ["def1"] = "imp",  ["aliases"] = {[[41.5in]], [[3ft5.5in]], [[3ft51/2in]], [[411/2in]]},  ["contentcat"] = "1055 mm gauge railways",  ["ft"] = "3",  ["in"] = "5",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "1055"  },  {  ["full-id"] = "1065-met", -- Cape gauge too; by output name  ["id"] = "1065",  ["def1"] = "met",  ["aliases"] = {[[1065mm]]},  ["name"] = "Cape gauge",  ["link"] = "[[Cape gauge]]",  ["pagename"] = "3 ft 6 in gauge railways",  ["contentcat"] = "3 ft 6 in gauge railways",  ["ft"] = "3",  ["in"] = "5",  ["num"] = "15",  ["den"] = "16",  ["mm"] = "1065"  },  {  ["full-id"] = "1067-met",  ["id"] = "1067",  ["def1"] = "met",  ["aliases"] = {[[1067mm]]},  ["pagename"] = "3 ft 6 in gauge railways",  ["contentcat"] = "3 ft 6 in gauge railways",  ["ft"] = "3",  ["in"] = "6",  ["mm"] = "1067"  },  {  ["full-id"] = "1067-imp",  ["id"] = "1067",  ["def1"] = "imp",  ["aliases"] = {[[3ft6in]], [[42in]]},  ["pagename"] = "3 ft 6 in gauge railways",  ["contentcat"] = "3 ft 6 in gauge railways",  ["ft"] = "3",  ["in"] = "6",  ["mm"] = "1067"  },  {  ["full-id"] = "1067-imp-cape",  ["id"] = "1067",  ["def1"] = "imp",  ["aliases"] = {[[cape]]},  ["pagename"] = "3 ft 6 in gauge railways",  ["name"] = "Cape gauge",  ["link"] = "[[Cape gauge]]",  ["contentcat"] = "3 ft 6 in gauge railways",  ["ft"] = "3",  ["in"] = "6",  ["mm"] = "1067"  },  {  ["full-id"] = "1093-met",  ["id"] = "1093",  ["def1"] = "met",  ["aliases"] = {[[1093mm]]},  ["pagename"] = "Köping–Uttersberg–Riddarhyttan Railway",  ["contentcat"] = "3 ft 7 in gauge railways",  ["ft"] = "3",  ["in"] = "7",  ["mm"] = "1093"  },  {  ["full-id"] = "1093-imp",  ["id"] = "1093",  ["def1"] = "imp",  ["aliases"] = {[[43in]], [[3ft7in]]},  ["pagename"] = "Köping–Uttersberg–Riddarhyttan Railway",  ["contentcat"] = "3 ft 7 in gauge railways",  ["ft"] = "3",  ["in"] = "7",  ["mm"] = "1093"  },  {  ["full-id"] = "1099-met",  ["id"] = "1099",  ["def1"] = "met",  ["aliases"] = {[[1099mm]]},  ["pagename"] = "Narrow gauge railways in Sweden",  ["contentcat"] = "",  ["ft"] = "3",  ["in"] = "7",  ["num"] = "1",  ["den"] = "4",  ["mm"] = "1099"  },  {  ["full-id"] = "1100-met",  ["id"] = "1100",  ["def1"] = "met",  ["aliases"] = {[[1100mm]]},  ["pagename"] = "Santa Teresa Tram",  ["contentcat"] = "1100 mm gauge railways",  ["ft"] = "3",  ["in"] = "7",  ["num"] = "5",  ["den"] = "16",  ["mm"] = "1100"  },  {  ["full-id"] = "1106-met",  ["id"] = "1106",  ["def1"] = "met",  ["aliases"] = {[[1106mm]]},  ["contentcat"] = "",  ["ft"] = "3",  ["in"] = "7",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "1106"  },  {  ["full-id"] = "1106-imp",  ["id"] = "1106",  ["def1"] = "imp",  ["aliases"] = {[[43.5in]], [[3ft7.5in]], [[3ft71/2in]], [[431/2in]]},  ["contentcat"] = "",  ["ft"] = "3",  ["in"] = "7",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "1106"  },  {  ["full-id"] = "1124-imp",  ["id"] = "1124",  ["def1"] = "imp",  ["aliases"] = {[[44.25in]], [[3ft8.25in]], [[3ft81/4in]], [[441/4in]]},  ["contentcat"] = "",  ["ft"] = "3",  ["in"] = "8",  ["num"] = "1",  ["den"] = "4",  ["mm"] = "1124"  },  {  ["full-id"] = "1130-imp",  ["id"] = "1130",  ["def1"] = "imp",  ["aliases"] = {[[44.5in]], [[3ft8.5in]], [[3ft81/2in]], [[441/2in]]},  ["pagename"] = "London Pneumatic Despatch Company",  ["contentcat"] = "",  ["ft"] = "3",  ["in"] = "8",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "1130"  },  {  ["full-id"] = "1143-imp",  ["id"] = "1143",  ["def1"] = "imp",  ["aliases"] = {[[45in]], [[3ft9in]]},  ["pagename"] = "Middlebere Plateway",  ["contentcat"] = "3 ft 9 in gauge railways",  ["ft"] = "3",  ["in"] = "9",  ["mm"] = "1143"  },  {  ["full-id"] = "1156-imp",  ["id"] = "1156",  ["def1"] = "imp",  ["aliases"] = {[[45.5in]], [[3ft9.5in]], [[3ft91/2in]], [[451/2in]]},  ["pagename"] = "Arcata and Mad River Railroad",  ["contentcat"] = "3 ft 9½ in gauge railways",  ["ft"] = "3",  ["in"] = "9",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "1156"  },  {  ["full-id"] = "1168-imp",  ["id"] = "1168",  ["def1"] = "imp",  ["aliases"] = {[[46in]], [[3ft10in]]},  ["pagename"] = "Fajardo, Puerto Rico",  ["contentcat"] = "",  ["ft"] = "3",  ["in"] = "10",  ["mm"] = "1168"  },  {  ["full-id"] = "1188-met",  ["id"] = "1188",  ["def1"] = "met",  ["aliases"] = {[[1188mm]]},  ["pagename"] = "Engelsberg-Norberg Railway",  ["contentcat"] = "",  ["ft"] = "3",  ["in"] = "10",  ["num"] = "25",  ["den"] = "32",  ["mm"] = "1188"  },  {  ["full-id"] = "1194-imp",  ["id"] = "1194",  ["def1"] = "imp",  ["aliases"] = {[[47in]], [[3ft11in]]},  ["contentcat"] = "",  ["ft"] = "3",  ["in"] = "11",  ["mm"] = "1194"  },  {  ["full-id"] = "1200-met",  ["id"] = "1200",  ["def1"] = "met",  ["aliases"] = {[[1200mm]]},  ["pagename"] = "Narrow-gauge railway#Four foot and 1200 mm gauge ",  ["contentcat"] = "1200 mm gauge railways",  ["ft"] = "3",  ["in"] = "11",  ["num"] = "1",  ["den"] = "4",  ["mm"] = "1200"  },  {  ["full-id"] = "1217-met",  ["id"] = "1217",  ["def1"] = "met",  ["aliases"] = {[[1217mm]]},  ["contentcat"] = "",  ["ft"] = "3",  ["in"] = "11",  ["num"] = "29",  ["den"] = "32",  ["mm"] = "1217"  },  {  ["full-id"] = "1219-imp",  ["id"] = "1219",  ["def1"] = "imp",  ["aliases"] = {[[48in]], [[4ft]]},  ["pagename"] = "Four foot gauge railway",  ["contentcat"] = "",  ["ft"] = "4",  ["mm"] = "1219"  },  {  ["full-id"] = "1245-imp",  ["id"] = "1245",  ["def1"] = "imp",  ["aliases"] = {[[49in]], [[4ft1in]]},  ["contentcat"] = "",  ["ft"] = "4",  ["in"] = "1",  ["mm"] = "1245"  },  {  ["full-id"] = "1257-imp",  ["id"] = "1257",  ["def1"] = "imp",  ["aliases"] = {[[49.5in]], [[4ft1.5in]], [[4ft11/2in]], [[491/2in]]},  ["contentcat"] = "",  ["ft"] = "4",  ["in"] = "1",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "1257"  },  {  ["full-id"] = "1270-imp",  ["id"] = "1270",  ["def1"] = "imp",  ["aliases"] = {[[50in]], [[4ft2in]]},  ["contentcat"] = "",  ["ft"] = "4",  ["in"] = "2",  ["mm"] = "1270"  },  {  ["full-id"] = "1295-imp",  ["id"] = "1295",  ["def1"] = "imp",  ["aliases"] = {[[51in]], [[4ft3in]]},  ["pagename"] = "Delaware and Hudson Gravity Railroad",  ["contentcat"] = "4 ft 3 in gauge railways",  ["ft"] = "4",  ["in"] = "3",  ["mm"] = "1295"  },  {  ["full-id"] = "1300-met",  ["id"] = "1300",  ["def1"] = "met",  ["aliases"] = {[[1300mm]]},  ["pagename"] = "Reisszug",  ["contentcat"] = "1300 mm gauge railways",  ["ft"] = "4",  ["in"] = "3",  ["num"] = "3",  ["den"] = "16",  ["mm"] = "1300"  },  {  ["full-id"] = "1321-imp",  ["id"] = "1321",  ["def1"] = "imp",  ["aliases"] = {[[52in]], [[4ft4in]]},  ["contentcat"] = "",  ["ft"] = "4",  ["in"] = "4",  ["mm"] = "1321"  },  {  ["full-id"] = "1333-imp",  ["id"] = "1333",  ["def1"] = "imp",  ["aliases"] = {[[52.5in]], [[4ft4.5in]], [[4ft41/2in]], [[521/2in]]},  ["contentcat"] = "",  ["ft"] = "4",  ["in"] = "4",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "1333"  },  {  ["full-id"] = "1350-met",  ["id"] = "1350",  ["def1"] = "met",  ["aliases"] = {[[1350mm]]},  ["contentcat"] = "",  ["ft"] = "4",  ["in"] = "5",  ["num"] = "5",  ["den"] = "32",  ["mm"] = "1350"  },  {  ["full-id"] = "1372-met",  ["id"] = "1372",  ["def1"] = "met",  ["aliases"] = {[[1372mm]]},  ["pagename"] = "Toden_Arakawa_Line", -- Japan, metric  ["contentcat"] = "4 ft 6 in gauge railways",  ["ft"] = "4",  ["in"] = "6",  ["mm"] = "1372"  },  {  ["full-id"] = "1372-imp",  ["id"] = "1372",  ["def1"] = "imp",  ["aliases"] = {[[54in]], [[4ft6in]]},  ["pagename"] = "4 ft 6 in gauge railway",  ["contentcat"] = "4 ft 6 in gauge railways",  ["ft"] = "4",  ["in"] = "6",  ["mm"] = "1372"  },  {  ["full-id"] = "1372-imp-scotch",  ["id"] = "1372",  ["def1"] = "imp",  ["aliases"] = {[[scotch]]},  ["pagename"] = "4 ft 6 in gauge railway",  ["name"] = "Scotch gauge",  ["link"] = "[[Scotch gauge]]",  ["contentcat"] = "4 ft 6 in gauge railways",  ["ft"] = "4",  ["in"] = "6",  ["mm"] = "1372"  },  {  ["full-id"] = "1384-imp",  ["id"] = "1384",  ["def1"] = "imp",  ["aliases"] = {[[54.5in]], [[4ft6.5in]], [[4ft61/2in]], [[541/2in]]},  ["pagename"] = "Dundee and Newtyle Railway",  ["contentcat"] = "4 ft 6½ in gauge railways",  ["ft"] = "4",  ["in"] = "6",  ["num"] = "1",  ["den"] = "2",  ["mm"] = "1384"